darkcomet | 3e42074d54adf2fd9f3e094b3ec8f6435de03f9971d8a10aef2011a92f5e4d9b

Analysis

max time kernel
140s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2025, 00:19

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General

Target

JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Size

690KB
MD5

0270f54ccf140ffa72680fbb4c210946
SHA1

6c2cd856735734986e4529e41d409f26dae7dfc6
SHA256

3e42074d54adf2fd9f3e094b3ec8f6435de03f9971d8a10aef2011a92f5e4d9b
SHA512

44c4921b99f727e74ef41f0f27bff84b7e282adc84b5645cddcf778788c9f00e97714ce506dbf0515498c3b63b42ce61fe0e2b3e9e1bea68653027847c4b2561
SSDEEP

12288:p9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hyst:zZ1xuVVjfFoynPaVBUR8f+kN10EBRt

Score

10^/10

darkcomet id1 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ID1

live1.no-ip.org:1604

192.168.1.113:1243

live1.no-ip.org:1243

192.168.1.113:1604

5.19.149.204:1243

5.19.149.204:1604

Mutex

DC_MUTEX-NE59TV7

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
bReww4C9kylE
install
true
offline_keylogger
true
password
devil666
persistence
false
reg_key
MicroUpdate

rc4.plain

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe

Executes dropped EXE 1 IoCs

pid	Process
2356	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeSecurityPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeTakeOwnershipPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeLoadDriverPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeSystemProfilePrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeSystemtimePrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeProfSingleProcessPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeIncBasePriorityPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeCreatePagefilePrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeBackupPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeRestorePrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeShutdownPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeDebugPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeSystemEnvironmentPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeChangeNotifyPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeRemoteShutdownPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeUndockPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeManageVolumePrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeImpersonatePrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeCreateGlobalPrivilege	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: 33	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: 34	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: 35	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: 36	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
Token: SeIncreaseQuotaPrivilege	2356	msdcsc.exe
Token: SeSecurityPrivilege	2356	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2356	msdcsc.exe
Token: SeLoadDriverPrivilege	2356	msdcsc.exe
Token: SeSystemProfilePrivilege	2356	msdcsc.exe
Token: SeSystemtimePrivilege	2356	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2356	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2356	msdcsc.exe
Token: SeCreatePagefilePrivilege	2356	msdcsc.exe
Token: SeBackupPrivilege	2356	msdcsc.exe
Token: SeRestorePrivilege	2356	msdcsc.exe
Token: SeShutdownPrivilege	2356	msdcsc.exe
Token: SeDebugPrivilege	2356	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2356	msdcsc.exe
Token: SeChangeNotifyPrivilege	2356	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2356	msdcsc.exe
Token: SeUndockPrivilege	2356	msdcsc.exe
Token: SeManageVolumePrivilege	2356	msdcsc.exe
Token: SeImpersonatePrivilege	2356	msdcsc.exe
Token: SeCreateGlobalPrivilege	2356	msdcsc.exe
Token: 33	2356	msdcsc.exe
Token: 34	2356	msdcsc.exe
Token: 35	2356	msdcsc.exe
Token: 36	2356	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2356	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 2356	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe	86
PID 1836 wrote to memory of 2356	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe	86
PID 1836 wrote to memory of 2356	1836	JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0270f54ccf140ffa72680fbb4c210946.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
690KB

MD5
0270f54ccf140ffa72680fbb4c210946

SHA1
6c2cd856735734986e4529e41d409f26dae7dfc6

SHA256
3e42074d54adf2fd9f3e094b3ec8f6435de03f9971d8a10aef2011a92f5e4d9b

SHA512
44c4921b99f727e74ef41f0f27bff84b7e282adc84b5645cddcf778788c9f00e97714ce506dbf0515498c3b63b42ce61fe0e2b3e9e1bea68653027847c4b2561

Download Submit
memory/1836-0-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1836-14-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2356-13-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/2356-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2356-16-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/2356-18-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads